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77 lines
2.5 KiB
77 lines
2.5 KiB
3 years ago
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const path = require('path')
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const shellQuote = require('shell-quote')
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const childProcess = require('child_process')
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// Map from full process name to binary that starts the process
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// We can't just re-use full process name, because it will spawn a new instance
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// of the app every time
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const COMMON_EDITORS_OSX = require('./editor-info/osx')
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const COMMON_EDITORS_LINUX = require('./editor-info/linux')
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const COMMON_EDITORS_WIN = require('./editor-info/windows')
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module.exports = function guessEditor (specifiedEditor) {
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if (specifiedEditor) {
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return shellQuote.parse(specifiedEditor)
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}
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// We can find out which editor is currently running by:
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// `ps x` on macOS and Linux
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// `Get-Process` on Windows
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try {
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if (process.platform === 'darwin') {
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const output = childProcess.execSync('ps x').toString()
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const processNames = Object.keys(COMMON_EDITORS_OSX)
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for (let i = 0; i < processNames.length; i++) {
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const processName = processNames[i]
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if (output.indexOf(processName) !== -1) {
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return [COMMON_EDITORS_OSX[processName]]
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}
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}
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} else if (process.platform === 'win32') {
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const output = childProcess
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.execSync('powershell -Command "Get-Process | Select-Object Path"', {
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stdio: ['pipe', 'pipe', 'ignore']
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})
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.toString()
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const runningProcesses = output.split('\r\n')
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for (let i = 0; i < runningProcesses.length; i++) {
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// `Get-Process` sometimes returns empty lines
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if (!runningProcesses[i]) {
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continue
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}
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const fullProcessPath = runningProcesses[i].trim()
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const shortProcessName = path.basename(fullProcessPath)
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if (COMMON_EDITORS_WIN.indexOf(shortProcessName) !== -1) {
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return [fullProcessPath]
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}
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}
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} else if (process.platform === 'linux') {
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// --no-heading No header line
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// x List all processes owned by you
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// -o comm Need only names column
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const output = childProcess
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.execSync('ps x --no-heading -o comm --sort=comm')
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.toString()
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const processNames = Object.keys(COMMON_EDITORS_LINUX)
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for (let i = 0; i < processNames.length; i++) {
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const processName = processNames[i]
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if (output.indexOf(processName) !== -1) {
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return [COMMON_EDITORS_LINUX[processName]]
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}
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}
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}
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} catch (error) {
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// Ignore...
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}
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// Last resort, use old skool env vars
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if (process.env.VISUAL) {
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return [process.env.VISUAL]
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} else if (process.env.EDITOR) {
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return [process.env.EDITOR]
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}
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return [null]
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}
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